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Rotary Potentiometers & Rheostats: PTR901-2020F-B103 application field and working principle

The PTR901-2020F-B103, manufactured by the PTR International Corporation, is a rotary potentiometer & rheostat that has found widespread application in numerous industries, ranging from lighting and climate control, to robotics and industrial machine control. It is one of the most popular varieties of rheostats & potentiometers, which are types of adjustable resistors, used in electronic and electrical circuits to modify signal properties.

Rheostats & potentiometers both use the principle of variable resistance. This means that when a voltage is applied across the two leads of the device, the resistance between them can be adjusted by rotating a contact wiper around a resistive element. Potentiometers & rheostats consist of two or three leads, which allow a voltage to be applied across the device, and a sliding contact, which moves over the resistive element. The resistance between the contacts can then be adjusted manually or remotely, depending on the configuration.

The PTR901-2020F-B103 is a linear rotary rheostat & potentiometer, meaning a voltage applied across the two leads will generate a linear resistance variation when the sliding contact is rotated. This type of device is used when an adjustable resistance value is required in a circuit, such as for adjusting the output of an amplifier or for motor speed control. It is also commonly used with audio equipment, as it can be used to adjust the volume control or the tone of a speaker.

The PTR901-2020F-B103 is also designed with dual-metal contacts, providing strong and reliable contact with the resistive element. This coupled with the medium-level insulating material, makes the device resistant to environmental conditions such as humidity, shock, or vibration. The device is also available in different contact configurations, from 3 to 7 leads, in case a different type of input is needed. The maximum power handling capacity of the device is up to 10 watts.

The PTR901-2020F-B103 is widely used in industries such as automotive, consumer, and audio applications, due to its robust construction and reliable operation. It is also popular in industrial machines and robotics, to give engineers the ability to adjust system parameters on the fly. In addition, the device can also be used to implement precise adjustment to parameters such as current, or voltage in sensitive electronic assemblies.

In summary, the PTR901-2020F-B103, a linear rotary rheostat & potentiometer, has found application in a wide range of industries, due to its robust construction and reliable operation. The device is available with several different pre-configured contact options, allowing for a greater level of customisation. It is also used in many electronic and electrical applications, due to its ability to adjust parameters such as current and voltage with great precision.

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